HOLLYWOOD, CA - MARCH 22: The crowd is seen during 97.1 AMP RADIO's Amplify 2014 concert at the Hollywood Palladium on March 22, 2014 in Hollywood, California. (Photo by Kevin Winter/Getty Images for CBS Radio, Inc.)

97.1 AMP RADIO's Amplify 2014

HOLLYWOOD, CA - MARCH 22: The crowd is seen during 97.1 AMP RADIO's Amplify 2014 concert at the Hollywood Palladium on March 22, 2014 in Hollywood, California. (Photo by Kevin Winter/Getty Images for CBS Radio, Inc.)

97.1 AMP RADIO's Amplify 2014

HOLLYWOOD, CA - MARCH 22: The crowd is seen during 97.1 AMP RADIO's Amplify 2014 concert at the Hollywood Palladium on March 22, 2014 in Hollywood, California. (Photo by Kevin Winter/Getty Images for CBS Radio, Inc.)